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3040120240 = 24538001503
BaseRepresentation
bin1011010100110100…
…1000110110110000
321211212112002221221
42311031020312300
522211232321430
61221400154424
7135223411213
oct26515106660
97755462857
103040120240
111320083373
1270a168a14
13395ac0a21
1420ba8b77a
1512bd6b57a
hexb5348db0

3040120240 has 20 divisors (see below), whose sum is σ = 7068279744. Its totient is φ = 1216048064.

The previous prime is 3040120229. The next prime is 3040120261. The reversal of 3040120240 is 420210403.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19000672 + ... + 19000831.

Almost surely, 23040120240 is an apocalyptic number.

It is an amenable number.

3040120240 is an abundant number, since it is smaller than the sum of its proper divisors (4028159504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3040120240 is a wasteful number, since it uses less digits than its factorization.

3040120240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38001516 (or 38001510 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3040120240 is about 55137.2853883831. The cubic root of 3040120240 is about 1448.6503874964.

Adding to 3040120240 its reverse (420210403), we get a palindrome (3460330643).

The spelling of 3040120240 in words is "three billion, forty million, one hundred twenty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 38001503 76003006 152006012 190007515 304012024 380015030 608024048 760030060 1520060120 3040120240